Soaring commodity costs prompted H.J. Heinz Co. to raise prices on a host of consumer products, helping the foodmaker post a 7.2 percent increase in fourth-quarter earnings on Thursday. The company also boosted its dividend.

Overeating is often fueled by a wide range of turbulent emotions. It's not always a simple matter of being hungry. Boredom, loneliness, anxiety, anger, stress, sadness and even happiness can have more to do with what and when we eat.